When birds or insects fly, they displace air with their wings – that is how it works. Maybe sometime at night you have disturbed an owl and heard the flap of its large wings. This sound is a frequency ...

Beneath the soft hush that surrounds an aircraft’s flight, a deep yet unobtrusive rhythm unfurls, resembling the slow pulse of a hidden engine set far below the cockpit. The low-frequency hum weaves ...

Gives the reader a basic flying lesson in a small plane, a sailplane, and a jet and discusses traffic control. Includes a stereo record of flying sounds to supplement the photographs siris_sil_20052 ...